Home / 51,507.08-77,611.58-42,352.17

Finding the Fourth Proportional to 51,507.08, 77,611.58 and 42,352.17

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Solution

The fourth proportional to 51,507.08, 77,611.58 and 42,352.17 is: 63,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.08 : 77,611.58 = 42,352.17 : x
  2. Step 2: Convert to fraction form
    51,507.08/77,611.58 = 42,352.17/x
  3. Step 3: Cross multiply
    51,507.08x = 77,611.58 × 42,352.17
  4. Step 4: Simplify right side
    51,507.08x = 3,287,018,922.71
  5. Step 5: Solve for x
    x = 3,287,018,922.71/51,507.08
  6. Step 6: Final answer
    x = 63,816.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.